post-tensioned pre-stressed concrete hollow slab 后张预应力混凝土空心板
So the high effective pre-stressed reinforced concrete hollow slab with Medium strength spiral-continuous -ribs steel bar has a good prospect.
因此，以中强螺旋肋钢丝为受力筋的预应力空心板具有广阔美好的发展前景。
The present invention is suitable for use in in-situ cast or pre-stressed reinforced concrete floor slab, roof, wall, foundation slab and hollow bridge.
适用于现浇钢筋砼或预应力钢筋砼的空心楼盖、屋盖、墙体、基础底板以及空腹桥梁使用。
The present invention is suitable for use in in-situ cast or pre-stressed reinforced concrete floor slab, roof, wall, foundation slab and hollow bridge, especially flat floor slab.
适用于现浇钢筋砼或预应力钢筋砼的楼盖、屋盖、墙体、基础底板以及桥梁使用，尤其适用于无梁楼盖使用。
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